code: def setUp(self):
      self.x, self.gy, self.ggx = make_data(self.shape, self.dtype)
      self.func = F.lgamma
  
file_path: chainer/tests/chainer_tests/functions_tests/math_tests/test_lgamma.py
imports: import unittest
  import numpy
  import chainer
  from chainer import backend
  from chainer.backends import cuda
  import chainer.functions
  from chainer import testing
label_desc: Use image node_id 1 for calling the TestLGammaExceptions obj's underlying member method code with example usage: obj.setUp() without return types